Celica Forums General Discussion Interior Grounding Kit

those of you with Grounding Kit, after you install the kit does it make any difference? another question when you connect the kit to negative terminal do you still connect the old negative wire back to the terminal or just the new wire(kit)?

I dunno about feeling any difference, I hardly notice anything, lol. But I still connect the old negative wire back + new wire.

i gave me a dyno'd tested 27hp to the wheels not to mention torque

just joking i don't even have a grounding kit yet. but i do believe you want both new and old negative wires connected

i got the grounding wires from teamcelica a while back. they just made the car seem a bit stronger and less likely to stall than before. scc did a thing on grounding kits a while back and it looked like the car gained like 5%-7%

are you talking 'bout wires or a real grounding kit like kuwano dps metal plus? i thought with those kits you had to try them all over to find the optimum mounting point? and without dyno testing each area, how would you find the optimum grounding point to place the box?

there's install guide for ground kit in the installation section. did you connect the old negative back to the terminal?

the grounding kits give a consistant of 1-2 WHP just because the spark in the engine will be stronger. The connection to the frame will be stronger.

No true actually, the grounding kit is used for starting better and clear energy transmission, it doesnt give you magic hp

^^ it's not supposed 2. but dynos DO show a consistent 1-2 whp gain though. i can't figure it out either bro, but it does.

all talk but no answer. do any of you connect the old negative back? or just the new negative?

Do both...

i didnt...

It's not going to hurt anything if you connect the old one as well as the new ones, I did an it runs just fine.

With my kit I noticed the engine starts quicker than before, noticed a slight power increas as well.

keep the old negative plugged into the battery, then you should run 2 of the ground wires off of that. one from the negative to the frame on the side of the car (driver side), then one to the transmission, tranny to block, block to other side of block, then block to other side of frame (passenger side. but do keep the old grounding wire hooked to the battery. look in the install section for the specific locations.

I totally removed the stock groundwires. They're redundant.

^^^ why do you say that?


your adding the wires for a purpose if you take the factory wires away wouldn't the grounding kit doi just about the same as oem?? wouldn't be the same as factory but only a differnt route?

i doubt this solely for the fact that it's hard to notice at the MAX 2 whp.

Robare99 is correct Leaving them there would also defeat the purpose of installing the Upgraded Grounding Wires.

Doubt it all you want; I'm in tune enough with my vehicle to notice.

On cold mornings I can feel that slight increase in power vs a hot afternoon; that difference is but a few horses.

When the dealership put a GT oil filter on my GTS by mistake my first tip off that something was wrong was the engine felt ever so slightly more sluggish, again this difference was likely only 1 or 2 hp. Its a matter of perception.
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Hard, yes; impossible, no.

thanks for the info

As long as you have a good (new) ground connection to the body/chassis with your new ground wires, you don't need to keep the old one. I suggest remove old one, and put a new 4 gauge wire for replacement.

Not true. It has been shown time and time again that grounding kits consistently generate anywhere from a 2-4hp gain. see below.

TAken from ImportTuner [importtuner.com]

"The last item to install and test was the Hyperground ground wire system. The installation was very simple and involved grounding the engine in series at several different points in the engine bay. Without fully understanding the technology behind the unit, we were doubtful that this would make any noticeable horsepower. The tale of the tape showed differently, however; the power graph smoothed out (in the upwards direction) from 2000-4500rpm, and then really shined in the 4500-6000 rpm range, making an almost evenly distributed 3-5 hp gain. The power gain tapered from 6000 rpm to redline, but still managed to bump peak power output to 122.4. According to Hyperground, playing with different grounding spots can generate even more power."

Where can i get a ground wire kit???

NOT for a 1.8L Celica.

^^ nope. expect 1-2 whp max for our cars...and it's just as likely that you'll lose 1-2 whp as well (it works both ways). the only way to be sure is to have a dynonameter on hand and keep playing with the grounding locations

You aren't gonna feel the difference...and 1-2 WHP is within the margin of error of a dyno, so it may not even be possible to dyno-tune the grounding locations. I've heard that the bigger gains are in low and mid-range torque, but again these gains are within the margin of error.

What you will notice are your brighter lights, louder sound system, and (in some cases) a smoother idle. I still can't believe how my stock system can pump as loud as it does - obviously not like an amp and subs, but definitely enough to put my friend's headunit to shame.


I and many others have the Tuned Innovations kit:
www.tunedinnovations.com [tunedinnovations.com]